The "Gusli" musical instrument DIO697 is a wooden prototype of a real gusli, measuring 1.4 meters tall and 91 centimeters long. A playground is a children's recreation area consisting of more than just an entertainment complex, slides, and swings. A good playground can satisfy all a child's play needs, not only physically but also intellectually, and educational elements for children help with this. The interactive element allows children to learn several educational games at once. Children will be captivated by the sound effects while simultaneously solving simple problems with the gusli. The instrument will teach children to distinguish basic tonalities and sounds. By playing with the "Gusli" musical element, children will improve their fine motor skills, attentiveness, and learn to play in a team.